<template>
<div class="tab-control">
  <div v-for="(item, index) in titles"
        class="tab-control-item"
        @click="itemclick(index)"
        :class="{active: currentIndex===index}"
        >
    <span>{{item}}</span>
  </div>
</div>

</template>

<script>
export default {
  name:'TabControl',
  data(){
    return {
     currentIndex : 0, 
    }
  },
  props:{
    titles:{
        type:Array,
        default(){
        return []
      }
    }
  },
  methods:{
    itemclick(index){
        this.currentIndex = index;
        this.$emit("tabclick",index)
    }
  },

}
</script>

<style scoped>
  .tab-control {
    display: flex;
    text-align: center;
    font-size: 15px;
    height: 40px;
    line-height: 40px;
    background-color: #fff;
  }

  .tab-control-item {
    flex: 1;
  }

  .tab-control-item span {
    padding: 5px;
  }
  .active {
    color: red;
  }
  .active span{
     border-bottom: 3px solid red;
  }
</style>